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review.evervolv.com / android_kernel_htc_msm8960 / 09ee167cbf3b7390c993c6699ce9fa84e55422bf / . / arch / sparc64 / kernel / entry.h
blob: fc294a292899ee383906e5040e2509907776527e [file] [log] [blame]
David S. Miller3d5ae6b2008-03-25 21:51:40 -0700[diff] [blame]1#ifndef _ENTRY_H
2#define _ENTRY_H
3
David S. Millerbfdf9eb2008-03-26 00:46:21 -0700[diff] [blame]4#include <linux/kernel.h>
David S. Miller99cd2202008-03-26 00:19:43 -0700[diff] [blame]5#include <linux/types.h>
David S. Millerbfdf9eb2008-03-26 00:46:21 -0700[diff] [blame]6#include <linux/init.h>
David S. Miller3d5ae6b2008-03-25 21:51:40 -0700[diff] [blame]7
8extern char *sparc_cpu_type;
9extern char *sparc_fpu_type;
10
11extern void __init per_cpu_patch(void);
12extern void __init sun4v_patch(void);
13extern void __init boot_cpu_id_too_large(int cpu);
14extern unsigned int dcache_parity_tl1_occurred;
15extern unsigned int icache_parity_tl1_occurred;
16
David S. Miller207ddd02008-03-26 01:43:29 -0700[diff] [blame]17extern asmlinkage void update_perfctrs(void);
18extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
David S. Millercf3d7c12008-03-26 01:11:55 -0700[diff] [blame]19extern void timer_interrupt(int irq, struct pt_regs *regs);
20
David S. Miller062ea6d2008-03-26 01:52:18 -0700[diff] [blame]21extern void do_notify_resume(struct pt_regs *regs,
22 unsigned long orig_i0,
David S. Miller062ea6d2008-03-26 01:52:18 -0700[diff] [blame]23 unsigned long thread_info_flags);
24
Roland McGrath73ccefa2008-07-27 00:30:50 -0700[diff] [blame]25extern asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
David S. Millerbfdf9eb2008-03-26 00:46:21 -0700[diff] [blame]26
David S. Miller99cd2202008-03-26 00:19:43 -0700[diff] [blame]27extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
28
29extern void do_fpe_common(struct pt_regs *regs);
30extern void do_fpieee(struct pt_regs *regs);
31extern void do_fpother(struct pt_regs *regs);
32extern void do_tof(struct pt_regs *regs);
33extern void do_div0(struct pt_regs *regs);
34extern void do_illegal_instruction(struct pt_regs *regs);
35extern void mem_address_unaligned(struct pt_regs *regs,
36 unsigned long sfar,
37 unsigned long sfsr);
38extern void sun4v_do_mna(struct pt_regs *regs,
39 unsigned long addr,
40 unsigned long type_ctx);
41extern void do_privop(struct pt_regs *regs);
42extern void do_privact(struct pt_regs *regs);
43extern void do_cee(struct pt_regs *regs);
44extern void do_cee_tl1(struct pt_regs *regs);
45extern void do_dae_tl1(struct pt_regs *regs);
46extern void do_iae_tl1(struct pt_regs *regs);
47extern void do_div0_tl1(struct pt_regs *regs);
48extern void do_fpdis_tl1(struct pt_regs *regs);
49extern void do_fpieee_tl1(struct pt_regs *regs);
50extern void do_fpother_tl1(struct pt_regs *regs);
51extern void do_ill_tl1(struct pt_regs *regs);
52extern void do_irq_tl1(struct pt_regs *regs);
53extern void do_lddfmna_tl1(struct pt_regs *regs);
54extern void do_stdfmna_tl1(struct pt_regs *regs);
55extern void do_paw(struct pt_regs *regs);
56extern void do_paw_tl1(struct pt_regs *regs);
57extern void do_vaw(struct pt_regs *regs);
58extern void do_vaw_tl1(struct pt_regs *regs);
59extern void do_tof_tl1(struct pt_regs *regs);
60extern void do_getpsr(struct pt_regs *regs);
61
62extern void spitfire_insn_access_exception(struct pt_regs *regs,
63 unsigned long sfsr,
64 unsigned long sfar);
65extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
66 unsigned long sfsr,
67 unsigned long sfar);
68extern void spitfire_data_access_exception(struct pt_regs *regs,
69 unsigned long sfsr,
70 unsigned long sfar);
71extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
72 unsigned long sfsr,
73 unsigned long sfar);
74extern void spitfire_access_error(struct pt_regs *regs,
75 unsigned long status_encoded,
76 unsigned long afar);
77
78extern void cheetah_fecc_handler(struct pt_regs *regs,
79 unsigned long afsr,
80 unsigned long afar);
81extern void cheetah_cee_handler(struct pt_regs *regs,
82 unsigned long afsr,
83 unsigned long afar);
84extern void cheetah_deferred_handler(struct pt_regs *regs,
85 unsigned long afsr,
86 unsigned long afar);
87extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
88
89extern void sun4v_insn_access_exception(struct pt_regs *regs,
90 unsigned long addr,
91 unsigned long type_ctx);
92extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
93 unsigned long addr,
94 unsigned long type_ctx);
95extern void sun4v_data_access_exception(struct pt_regs *regs,
96 unsigned long addr,
97 unsigned long type_ctx);
98extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
99 unsigned long addr,
100 unsigned long type_ctx);
101extern void sun4v_resum_error(struct pt_regs *regs,
102 unsigned long offset);
103extern void sun4v_resum_overflow(struct pt_regs *regs);
104extern void sun4v_nonresum_error(struct pt_regs *regs,
105 unsigned long offset);
106extern void sun4v_nonresum_overflow(struct pt_regs *regs);
107
108extern unsigned long sun4v_err_itlb_vaddr;
109extern unsigned long sun4v_err_itlb_ctx;
110extern unsigned long sun4v_err_itlb_pte;
111extern unsigned long sun4v_err_itlb_error;
112
113extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
114
115extern unsigned long sun4v_err_dtlb_vaddr;
116extern unsigned long sun4v_err_dtlb_ctx;
117extern unsigned long sun4v_err_dtlb_pte;
118extern unsigned long sun4v_err_dtlb_error;
119
120extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
121extern void hypervisor_tlbop_error(unsigned long err,
122 unsigned long op);
123extern void hypervisor_tlbop_error_xcall(unsigned long err,
124 unsigned long op);
125
126/* WARNING: The error trap handlers in assembly know the precise
127 * layout of the following structure.
128 *
129 * C-level handlers in traps.c use this information to log the
130 * error and then determine how to recover (if possible).
131 */
132struct cheetah_err_info {
133/*0x00*/u64 afsr;
134/*0x08*/u64 afar;
135
136 /* D-cache state */
137/*0x10*/u64 dcache_data[4]; /* The actual data */
138/*0x30*/u64 dcache_index; /* D-cache index */
139/*0x38*/u64 dcache_tag; /* D-cache tag/valid */
140/*0x40*/u64 dcache_utag; /* D-cache microtag */
141/*0x48*/u64 dcache_stag; /* D-cache snooptag */
142
143 /* I-cache state */
144/*0x50*/u64 icache_data[8]; /* The actual insns + predecode */
145/*0x90*/u64 icache_index; /* I-cache index */
146/*0x98*/u64 icache_tag; /* I-cache phys tag */
147/*0xa0*/u64 icache_utag; /* I-cache microtag */
148/*0xa8*/u64 icache_stag; /* I-cache snooptag */
149/*0xb0*/u64 icache_upper; /* I-cache upper-tag */
150/*0xb8*/u64 icache_lower; /* I-cache lower-tag */
151
152 /* E-cache state */
153/*0xc0*/u64 ecache_data[4]; /* 32 bytes from staging registers */
154/*0xe0*/u64 ecache_index; /* E-cache index */
155/*0xe8*/u64 ecache_tag; /* E-cache tag/state */
156
157/*0xf0*/u64 __pad[32 - 30];
158};
159#define CHAFSR_INVALID ((u64)-1L)
160
161/* This is allocated at boot time based upon the largest hardware
162 * cpu ID in the system. We allocate two entries per cpu, one for
163 * TL==0 logging and one for TL >= 1 logging.
164 */
165extern struct cheetah_err_info *cheetah_error_log;
166
David S. Millerd91aa122008-03-26 00:37:51 -0700[diff] [blame]167/* UPA nodes send interrupt packet to UltraSparc with first data reg
168 * value low 5 (7 on Starfire) bits holding the IRQ identifier being
169 * delivered. We must translate this into a non-vector IRQ so we can
170 * set the softint on this cpu.
171 *
172 * To make processing these packets efficient and race free we use
173 * an array of irq buckets below. The interrupt vector handler in
174 * entry.S feeds incoming packets into per-cpu pil-indexed lists.
175 *
176 * If you make changes to ino_bucket, please update hand coded assembler
177 * of the vectored interrupt trap handler(s) in entry.S and sun4v_ivec.S
178 */
179struct ino_bucket {
180/*0x00*/unsigned long __irq_chain_pa;
181
182 /* Virtual interrupt number assigned to this INO. */
183/*0x08*/unsigned int __virt_irq;
184/*0x0c*/unsigned int __pad;
185};
186
187extern struct ino_bucket *ivector_table;
188extern unsigned long ivector_table_pa;
189
190extern void handler_irq(int irq, struct pt_regs *regs);
191extern void init_irqwork_curcpu(void);
192extern void __cpuinit sun4v_register_mondo_queues(int this_cpu);
193
David S. Miller3d5ae6b2008-03-25 21:51:40 -0700[diff] [blame]194#endif /* _ENTRY_H */